<template>
    <div>
        <el-form ref="loginForm" :model="form" :rules="rules" label width=" 80px" class="login-box">
            <h3 class="login-title">欢迎登录</h3>
            <el-form-item label="账号" prop="username">
                <el-input type="text" placeholder=" 请输入账号" v-model="form.username"/>
            </el-form-item>
            <el-form-item label="密码" prop="password">
                <el-input type="password" placeholder=" 请输入密码" v-model=" form.password"/>
            </el-form-item>
            <el-form-item>
                <el-button type="primary" v-on:click="onSubmit('loginForm')">登录</el-button>
                <el-button type="primary" v-on:click="$router.push('/register')">注册</el-button>
            </el-form-item>
        </el-form>
        <el-dialog
                title="温馨提示"
                :visible.sync="dialogVisible"
                width="30%"
                :before-close="handleClose">
            <span>请输入账号和密码</span>
            <span slot="footer" class="dialog-footer">
<el-button type="primary" @click="dialogVisible = false">确 定</el-button>
      </span>
        </el-dialog>
    </div>
</template>
<script>
    export default {
        name: "Login",
        data() {
            return {

                form: {
                    username: '',
                    password: ''
                },
// 表单验证， 需要在el-form-item- 元素中增加prop属性
                rules: {
                    username: [{required: true, message: '账号不可为空', trigger: 'blur'}],
                    password: [{required: true, message: '密码不可为空', trigger: 'blur'}]
                },
//对话框显示和隐藏
                dialogVisible: false
            }
        },
        methods: {
            handleClose: function () {
                console.log("Handle Close，空函数");
            },
            onSubmit(formName) {
                //为表单绑定验证功能
                this.$refs [formName].validate((valid) => {
                    if (valid) {
                        this.$axios.post('/login', {
                            username: this.form.username,
                            password: this.form.password
                        })
                            .then(response => {
                                if(response.data.code===20000){
                                    //使用vue-router 路由到指定页面，该方式称之为编程式导航
                                    this.$router.push({
                                        path:"/index",
                                        query:{username:response.data.data.username}
                                    });
                                    console.log(response.data);
                                    this.$message.success(response.data.msg)
                                }else{
                                    console.log(response.data);
                                    this.$message.error(this.form.username+response.data.msg)
                                }
                            })
                    } else {
                        this.dialogVisible = true;
                        return false;
                    }
                });
            },

        }
    }
</script>
<style scoped>
  .login-box {
    border: 1px solid #DCDFE6;
    width: 350px;
    margin: 50px auto;
    padding: 35px 35px 15px 35px;
    border-radius: 5px;
    -webkit-border-radius: 5px;
    -moz-border-radius: 5px;
    box-shadow: 0 0 25px #909399;
  }

  .login-title {
    text-align: center;
    margin: 0 auto 40px auto;
    color: #303133;
  }
</style>
